Cornelian cherry, also known as "Yue Pepper", "Ai Zi", is a kind of evergreen fragrant plant, with the function of killing insects and disinfecting, expelling cold and wind. Woody Cornus officinalis, Cornus officinalis and Cornus officinalis are all famous Chinese medicines. Wearing Cornus officinalis is one of the Chinese customs of the year. On September 9, the Chongyang Festival, climbing mountains, arm wearing a dogwood inserted bag (ancient times called "Cornus capsule").

The dogwood is a small deciduous tree in the Cornaceae family, with small yellow flowers and oval, red, sour-tasting fruits that can be used as medicine.

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